Contactless Sanitiser Dispenser with Arduino Nano - STEM Kit
Build an Automatic Hand Sanitiser Dispenser with Arduino Nano - Contactless Hygiene STEM Project
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
In a world where hygiene matters more than ever, this kit lets a young maker build a fully functional, touch-free hand sanitiser dispenser. Using an infrared proximity sensor and a servo motor, the device detects a hand from a few centimetres away and automatically presses the pump - no touch, no waste. It's a real-world project that turns curiosity into a working gadget, perfect for classrooms, tinkering labs, or the home.
What You'll Build
You'll assemble a compact, battery-powered sanitising station on a breadboard. The IR sensor constantly scans for a hand; when it spots one, the Arduino Nano activates the SG90 servo, which presses down on the pump bottle's nozzle, delivering a measured squirt. A green LED lights up to show the dispense cycle. The finished unit can sit on a desk or counter, ready to promote safe habits wherever it's placed.
What You'll Learn
- How an infrared proximity sensor detects objects without contact
- Programming an Arduino Nano to read sensor input and control a servo
- Building a practical automated circuit on a breadboard - no soldering
- Understanding timing, delay loops, and servo angles in embedded systems
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Nano | 1 |
| IR Sensor Module | 1 |
| SG90 Servo | 1 |
| LED Green | 1 |
| 220? Resistors | 2 |
| Half Breadboard | 1 |
| MiniUSB Cable | 1 |
| M-M Wires | 15 |
| Pump Bottle | 1 |
Why Buy This Kit Instead of Sourcing Parts Separately
| Factor | Sourcing Separately | Compoden Kit |
|---|---|---|
| Compatibility checks | You verify every part | Pre-tested as a system |
| Build support | Forums and scattered tutorials | AI companion trained on this exact project |
| Time to first working build | Days of debugging | Hours, with step-by-step guidance |
| Shipping coordination | Multiple sellers, multiple delays | One shipment from Bengaluru in 3-5 days |
Who This Kit Is For
This kit is crafted for CBSE Class 6-8 students diving into hands-on science, ATL Tinkering Lab participants, and any 10-12-year-old eager to see electronics solve a real problem. It's also an engaging parent-child weekend project or a ready-made activity for school STEM clubs and maker spaces.
Built and Backed by Compoden
Every Compoden kit ships with an AI build companion trained on this exact project - accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.
What if I get stuck during the build?
Scan the QR code to chat with the AI companion that knows every wire and code line. For live help, message us on WhatsApp - a real human responds within hours.
Can the dispenser work with any hand sanitiser bottle?
The included pump bottle is selected to fit the servo mechanism perfectly. You can refill it with any liquid sanitiser, or even use it for soap in a pinch.
Do I need to know coding already?
Not at all. The AI guide will walk you through uploading the pre-written code to the Arduino Nano. By the end, you'll understand every line and be ready to tweak it yourself.
Is the circuit safe for a 10-year-old?
Yes, the whole setup runs on low DC voltage from a USB cable. All connections are on a breadboard with no exposed high currents. Adult supervision is recommended for younger builders.
IR proximity sensor detects hand and triggers a servo that pumps sanitiser - contactless hygiene project.
What's in this kit
Other projects you can build
Shipping Information
- Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
- COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
- Delivery Timeline: Dispatch in 1-2 days, delivery in 2-7 days depending on location
Returns & Warranty
- 7-Day Return: Manufacturing defects only (approval required)
- Warranty: 7 days from delivery
- Non-Returnable: Batteries, consumables, cut wires, clearance items